From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f171.google.com (mail-pd0-f171.google.com [209.85.192.171]) by kanga.kvack.org (Postfix) with ESMTP id 3029D6B005C for ; Thu, 12 Jun 2014 23:59:17 -0400 (EDT) Received: by mail-pd0-f171.google.com with SMTP id ft15so1667051pdb.30 for ; Thu, 12 Jun 2014 20:59:16 -0700 (PDT) Received: from mga01.intel.com (mga01.intel.com. [192.55.52.88]) by mx.google.com with ESMTP id xm4si703318pbc.45.2014.06.12.20.59.15 for ; Thu, 12 Jun 2014 20:59:16 -0700 (PDT) Date: Fri, 13 Jun 2014 11:58:49 +0800 From: kbuild test robot Subject: [mmotm:master 78/178] mm/madvise.c:161:190: warning: value computed is not used Message-ID: <539a76f9.TdKRGJVN9ctnWHnE%fengguang.wu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Naoya Horiguchi Cc: Linux Memory Management List , Andrew Morton , Johannes Weiner , kbuild-all@01.org tree: git://git.cmpxchg.org/linux-mmotm.git master head: a621774e0e7bbd9e8a024230af4704cc489bd40e commit: ef99d21ea4a246e56b9a55de5740655d30735f33 [78/178] madvise: cleanup swapin_walk_pmd_entry() config: make ARCH=i386 defconfig All warnings: mm/madvise.c: In function 'swapin_walk_pte_entry': >> mm/madvise.c:161:190: warning: value computed is not used [-Wunused-value] pte_offset_map(walk->pmd, start & PMD_MASK); ^ vim +161 mm/madvise.c 145 pte_t *orig_pte = pte - ((start & (PMD_SIZE - 1)) >> PAGE_SHIFT); 146 swp_entry_t entry; 147 struct page *page; 148 149 ptent = *pte; 150 pte_unmap_unlock(orig_pte, walk->ptl); 151 if (pte_present(ptent) || pte_none(ptent) || pte_file(ptent)) 152 goto lock; 153 entry = pte_to_swp_entry(ptent); 154 if (unlikely(non_swap_entry(entry))) 155 goto lock; 156 page = read_swap_cache_async(entry, GFP_HIGHUSER_MOVABLE, 157 walk->vma, start); 158 if (page) 159 page_cache_release(page); 160 lock: > 161 pte_offset_map(walk->pmd, start & PMD_MASK); 162 spin_lock(walk->ptl); 163 return 0; 164 } 165 166 static void force_swapin_readahead(struct vm_area_struct *vma, 167 unsigned long start, unsigned long end) 168 { 169 struct mm_walk walk = { --- 0-DAY kernel build testing backend Open Source Technology Center http://lists.01.org/mailman/listinfo/kbuild Intel Corporation -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org